Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3724 and 3728 the smallest integer that is 3470768 that is divisible by both numbers.
Least Common Multiple (LCM) of 3724 and 3728 is 3470768.
LCM(3724,3728) = 3470768
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 3724 and 3728. First we will calculate the prime factors of 3724 and 3728.
Prime Factorization of 3724
2 | 3724 |
2 | 1862 |
7 | 931 |
7 | 133 |
19 | 19 |
1 |
Prime factors of 3724 are 2, 7,19. Prime factorization of 3724 in exponential form is:
3724 = 22×72×191
Prime Factorization of 3728
2 | 3728 |
2 | 1864 |
2 | 932 |
2 | 466 |
233 | 233 |
1 |
Prime factors of 3728 are 2,233. Prime factorization of 3728 in exponential form is:
3728 = 24×2331
Now multiplying the highest exponent prime factors to calculate the LCM of 3724 and 3728.
LCM(3724,3728) = 24×72×191×2331
LCM(3724,3728) = 3470768
Factors of 3724
List of positive integer factors of 3724 that divides 3724 without a remainder.
1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724
Factors of 3728
List of positive integer factors of 3728 that divides 3728 without a remainder.
1, 2, 4, 8, 16, 233, 466, 932, 1864, 3728
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3724 and 3728, than apply into the LCM equation.
GCF(3724,3728) = 4
LCM(3724,3728) = ( 3724 × 3728) / 4
LCM(3724,3728) = 13883072 / 4
LCM(3724,3728) = 3470768
(i) The LCM of 3728 and 3724 is associative
LCM of 3724 and 3728 = LCM of 3728 and 3724
1. What is the LCM of 3724 and 3728?
Answer: LCM of 3724 and 3728 is 3470768.
2. What are the Factors of 3724?
Answer: Factors of 3724 are 1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724. There are 18 integers that are factors of 3724. The greatest factor of 3724 is 3724.
3. What are the Factors of 3728?
Answer: Factors of 3728 are 1, 2, 4, 8, 16, 233, 466, 932, 1864, 3728. There are 10 integers that are factors of 3728. The greatest factor of 3728 is 3728.
4. How to Find the LCM of 3724 and 3728?
Answer:
Least Common Multiple of 3724 and 3728 = 3470768
Step 1: Find the prime factorization of 3724
3724 = 2 x 2 x 7 x 7 x 19
Step 2: Find the prime factorization of 3728
3728 = 2 x 2 x 2 x 2 x 233
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3470768 = 2 x 2 x 2 x 2 x 7 x 7 x 19 x 233
Step 4: Therefore, the least common multiple of 3724 and 3728 is 3470768.